Home / 51,748.77-77,653.28-21,760.84

Finding the Fourth Proportional to 51,748.77, 77,653.28 and 21,760.84

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Solution

The fourth proportional to 51,748.77, 77,653.28 and 21,760.84 is: 32,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748.77 : 77,653.28 = 21,760.84 : x
  2. Step 2: Convert to fraction form
    51,748.77/77,653.28 = 21,760.84/x
  3. Step 3: Cross multiply
    51,748.77x = 77,653.28 × 21,760.84
  4. Step 4: Simplify right side
    51,748.77x = 1,689,800,753.02
  5. Step 5: Solve for x
    x = 1,689,800,753.02/51,748.77
  6. Step 6: Final answer
    x = 32,653.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.